21007578

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1451}}^1$

素因数の和:1602

約数の個数: 32

約数和(自身を含む): 44605440

約数和(自身を除く): 23597862

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 127, 254, 381, 762, 1451, 2413, 2902, 4353, 4826, 7239, 8706, 14478, 27569, 55138, 82707, 165414, 184277, 368554, 552831, 1105662, 3501263, 7002526, 10503789, 21007578]

約数ペア:

[(1, 21007578), (2, 10503789), (3, 7002526), (6, 3501263), (19, 1105662), (38, 552831), (57, 368554), (114, 184277), (127, 165414), (254, 82707), (381, 55138), (762, 27569), (1451, 14478), (2413, 8706), (2902, 7239), (4353, 4826)]